/**
 * #      1488
 * 名称   避免洪水泛滥
 * 链接   https://leetcode-cn.com/problems/avoid-flood-in-the-city
 * 题解   [84](https://leetcode-cn.com/problems/avoid-flood-in-the-city/solution)
 * 通过率 21.9%
 * 难道   中等
 */

